Commit Graph

372893 Commits

Author SHA1 Message Date
Michael S. Tsirkin 3dfbff328f tcm_vhost: document inflight ref-counting use
Add more comments so we remember not to break it
next time we change things.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-05-01 10:02:52 +03:00
Asias He 2839400f8f vhost: move vhost-net zerocopy fields to net.c
On top of 'vhost: Allow device specific fields per vq', we can move device
specific fields to device virt queue from vhost virt queue.

Signed-off-by: Asias He <asias@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-05-01 10:02:52 +03:00
Asias He f2f0173d6a tcm_vhost: Wait for pending requests in vhost_scsi_flush()
Unlike tcm_vhost_evt requests, tcm_vhost_cmd requests are passed to the
target core system, we can not make sure all the pending requests will
be finished by flushing the virt queue.

In this patch, we do refcount for every tcm_vhost_cmd requests to make
vhost_scsi_flush() wait for all the pending requests issued before the
flush operation to be finished.

This is useful when we call vhost_scsi_clear_endpoint() to stop
tcm_vhost. No new requests will be passed to target core system because
we clear the endpoint by setting vs_tpg to NULL. And we wait for all the
old requests. These guarantee no requests will be leaked and existing
requests will be completed.

Signed-off-by: Asias He <asias@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-05-01 10:02:51 +03:00
Asias He 3ab2e420ec vhost: Allow device specific fields per vq
This is useful for any device who wants device specific fields per vq.
For example, tcm_vhost wants a per vq field to track requests which are
in flight on the vq. Also, on top of this we can add patches to move
things like ubufs from vhost.h out to net.c.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Asias He <asias@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-05-01 10:02:45 +03:00
Michael S. Tsirkin bc7562355f Merge branch 'for-next-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending into vhost-net-next 2013-05-01 09:16:50 +03:00
Dave Airlie b11b88ef0e drm/i915: fix dmabuf vmap support
Sometimes that extra semicolon can really be hard to spot.

Acked-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-05-01 16:09:31 +10:00
Imre Deak 98b76231d7 drm/prime: warn for non-empty handle lookup list during drm file release
drm_gem_release should release all handles connected to the drm file and
so should also release the prime lookup entries of these handles. So
just WARN if this isn't the case.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-05-01 16:08:18 +10:00
Sjur Brændeland 01d779a14e caif_virtio: Remove bouncing email addresses
Remove our (soon to be) bouncing email addresses,
and update Dmitri's address.
Dmitry will take over as maintainer for CAIF from now on.

Cc: Vikram Arv <vikram.arv@stericsson.com>
Cc: Dmitry Tarnyagin <dmitry.tarnyagin@stericsson.com>
Cc: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Dmity Tarnyagin <dmitry.tarnyagin@lockless.no>
2013-05-01 11:59:15 +09:30
Richard Kuo 426d29ccb2 Hexagon: add v4 CS regs to core copyout macro
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:29 -05:00
Richard Kuo 5c883b462a Hexagon: use correct translation for VMALLOC_START
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:29 -05:00
Richard Kuo 5e1150542f Hexagon: use correct translations for DMA mappings
With physical offsets, pa<->va translations aren't just based
on PAGE_OFFSET anymore.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:28 -05:00
Richard Kuo c710f59087 Hexagon: fix return value for notify_resume case in do_work_pending
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:27 -05:00
Richard Kuo 610208bc8d Hexagon: fix signal number for user mem faults
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:27 -05:00
Paul Bolle 41929798bb Hexagon: remove two Kconfig entries
The Kconfig entries for HEXAGON_VM and HEXAGON_ANGEL_TRAPS were added,
together with the configuration and makefiles for the Hexagon
architecture, in v3.2. They have never been used. They can safely be
removed.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
[rkuo@codeaurora.org: adjust for line changes in Kconfig]
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:27 -05:00
Paul Bolle 65af3a3f89 arch: remove CONFIG_GENERIC_FIND_NEXT_BIT again
CONFIG_GENERIC_FIND_NEXT_BIT was removed in v3.0, but reappeared in two
architectures. Remove it again.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: Jonas Bonn <jonas@southpole.se>
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:27 -05:00
Richard Kuo 7c6a5df44f Hexagon: update copyright dates
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:27 -05:00
Richard Kuo 7959bd76a1 Hexagon: add translation types for __vmnewmap
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:27 -05:00
Richard Kuo f3f601c1d2 Hexagon: fix signal.c compile error
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:26 -05:00
Richard Kuo 0d3ab450a7 Hexagon: break up user fn/arg register setting
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:26 -05:00
Richard Kuo c05c3ec401 Hexagon: use generic sys_fork, sys_vfork, and sys_clone
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:26 -05:00
Richard Kuo 8209277687 Hexagon: fix psp/sp macro
Based on feedback from Al Viro; previous-stack-pointer and
user reg for same should always be kept consistent.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:26 -05:00
Richard Kuo 3981c4728b Hexagon: fix up int enable/disable at ret_from_fork
Check return coming out of check_work_pending, and if copy_thread
passed us a function in r24, call it.  Based on feedback from Al
Viro.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:26 -05:00
Richard Kuo 1ce81f4f87 Hexagon: add IOMEM and _relaxed IO macros
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:25 -05:00
Richard Kuo f167063a0c Hexagon: switch to using the device type for IO mappings
Uncached on our architecture can still have side effects
such as canceled/replayed transactions; device type prevents
this.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:25 -05:00
Richard Kuo 2b3c744c3b Hexagon: don't print info for offline CPU's
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:25 -05:00
Richard Kuo 7777746c40 Hexagon: add support for single-stepping (v4+)
Hardware single-step is only available on v4 and later
architectures.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:25 -05:00
Richard Kuo f8722a4d52 Hexagon: use correct work mask when checking for more work
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:24 -05:00
Richard Kuo db0fe532db Hexagon: add support for additional exceptions
Add multi-reg-write and unaligned-PC exceptions.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:24 -05:00
Richard Kuo 20f704b69a Hexagon: fix initial page table setup prior to jump to VA
Use the exact number of pages needed to be mapped pre-VA-jump,
then map 896MB afterwards, which the arch mem init will fix up.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:24 -05:00
Richard Kuo 0357d2f2a8 Hexagon: remove keyring related call
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:24 -05:00
Richard Kuo 9cdae82d14 Hexagon: check to if we will overflow the signal stack
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:24 -05:00
Richard Kuo a11e67c261 Hexagon: Signal and return path fixes
This fixes the return value of sigreturn and moves the work pending check
into a c routine for readability and fixes the loop for multiple pending
signals.  Based on feedback from Al Viro.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:24 -05:00
Richard Kuo 60c4ba99e0 Hexagon: add support for new v4+ registers
Add support for a couple new v4+ registers, along with
newer save/restore pt_regs.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:23 -05:00
Richard Kuo 444dd742d3 Hexagon: add individual register access for switch_stack
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:23 -05:00
Richard Kuo e470d932ce Hexagon: use defines for MIN_KERNEL_SEG calculation
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:23 -05:00
Richard Kuo 53debcd518 Hexagon: use GENERIC_CPU_DEVICES
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:22 -05:00
Richard Kuo 66b03dbfe6 Hexagon: change arch version config to allow comparisons
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:22 -05:00
Richard Kuo 8f5a0b9dff Hexagon: add support for ARCH_PFN_OFFSET
Add support for loading the kernel at a physical offset.  The
offset should still be 4M aligned.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:22 -05:00
Richard Kuo e0025a72c3 Hexagon: fix __atomic_add_unless
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:22 -05:00
Richard Kuo 22493cfd78 Hexagon: clean up generic headers in Kbuild
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30 19:40:22 -05:00
Linus Torvalds 5f56886521 Merge branch 'akpm' (incoming from Andrew)
Merge third batch of fixes from Andrew Morton:
 "Most of the rest.  I still have two large patchsets against AIO and
  IPC, but they're a bit stuck behind other trees and I'm about to
  vanish for six days.

   - random fixlets
   - inotify
   - more of the MM queue
   - show_stack() cleanups
   - DMI update
   - kthread/workqueue things
   - compat cleanups
   - epoll udpates
   - binfmt updates
   - nilfs2
   - hfs
   - hfsplus
   - ptrace
   - kmod
   - coredump
   - kexec
   - rbtree
   - pids
   - pidns
   - pps
   - semaphore tweaks
   - some w1 patches
   - relay updates
   - core Kconfig changes
   - sysrq tweaks"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (109 commits)
  Documentation/sysrq: fix inconstistent help message of sysrq key
  ethernet/emac/sysrq: fix inconstistent help message of sysrq key
  sparc/sysrq: fix inconstistent help message of sysrq key
  powerpc/xmon/sysrq: fix inconstistent help message of sysrq key
  ARM/etm/sysrq: fix inconstistent help message of sysrq key
  power/sysrq: fix inconstistent help message of sysrq key
  kgdb/sysrq: fix inconstistent help message of sysrq key
  lib/decompress.c: fix initconst
  notifier-error-inject: fix module names in Kconfig
  kernel/sys.c: make prctl(PR_SET_MM) generally available
  UAPI: remove empty Kbuild files
  menuconfig: print more info for symbol without prompts
  init/Kconfig: re-order CONFIG_EXPERT options to fix menuconfig display
  kconfig menu: move Virtualization drivers near other virtualization options
  Kconfig: consolidate CONFIG_DEBUG_STRICT_USER_COPY_CHECKS
  relay: use macro PAGE_ALIGN instead of FIX_SIZE
  kernel/relay.c: move FIX_SIZE macro into relay.c
  kernel/relay.c: remove unused function argument actor
  drivers/w1/slaves/w1_ds2760.c: fix the error handling in w1_ds2760_add_slave()
  drivers/w1/slaves/w1_ds2781.c: fix the error handling in w1_ds2781_add_slave()
  ...
2013-04-30 17:37:43 -07:00
Linus Torvalds f1e9a236e5 Assorted md fixes for 3.10
A mixed bad of little fixes.  No real new functionality here.
 Several patches are tagged for -stable.
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Merge tag 'md-3.10' of git://neil.brown.name/md

Pull md fixes from NeilBrown:
 "A mixed bag of little fixes.  No real new functionality here.  Several
  patches are tagged for -stable."

* tag 'md-3.10' of git://neil.brown.name/md:
  MD: ignore discard request for hard disks of hybid raid1/raid10 array
  md: bad block list should default to disabled.
  md: raid1/raid10 md devices leak memory when stopping
  DM RAID: Add message/status support for changing sync action
  MD: Export 'md_reap_sync_thread' function
  md: don't update metadata when stopping a read-only array.
  md: Allow devices to be re-added to a read-only array.
  md/raid10: Allow skipping recovery when clean arrays are assembled
  MD: Fix typos in MD documentation
  md/raid5: avoid an extra write when writing to a known-bad-block.
  md/raid5: Change or of some order to improve efficiency.
  md: use set_bit_le and clear_bit_le
  md: HOT_DISK_REMOVE shouldn't make a read-auto device active.
  md: use common code for all calls to ->hot_remove_disk()
  md: never update metadata when array is read-only.
2013-04-30 17:16:17 -07:00
zhangwei(Jovi) e2a8b0a779 Documentation/sysrq: fix inconstistent help message of sysrq key
Currently help message of /proc/sysrq-trigger highlight its
upper-case characters, like below:

      SysRq : HELP : loglevel(0-9) reBoot Crash terminate-all-tasks(E)
      memory-full-oom-kill(F) kill-all-tasks(I) ...

this would confuse user trigger sysrq by upper-case character, which is
inconsistent with the real lower-case character registed key.

This inconsistent help message will also lead more confused when
26 upper-case letters put into use in future.

This patch fix sysrq documentation.

Signed-off-by: zhangwei(Jovi) <jovi.zhangwei@huawei.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-04-30 17:04:10 -07:00
zhangwei(Jovi) 7b6b99a02a ethernet/emac/sysrq: fix inconstistent help message of sysrq key
Currently help message of /proc/sysrq-trigger highlight its upper-case
characters, like below:

      SysRq : HELP : loglevel(0-9) reBoot Crash terminate-all-tasks(E)
      memory-full-oom-kill(F) kill-all-tasks(I) ...

this would confuse user trigger sysrq by upper-case character, which is
inconsistent with the real lower-case character registed key.

This inconsistent help message will also lead more confused when
26 upper-case letters put into use in future.

This patch ethernet emac sysrq key: "emac(c)"

Signed-off-by: zhangwei(Jovi) <jovi.zhangwei@huawei.com>
Cc: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Cc: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-04-30 17:04:10 -07:00
zhangwei(Jovi) 5452c7f8c7 sparc/sysrq: fix inconstistent help message of sysrq key
Currently help message of /proc/sysrq-trigger highlight its
upper-case characters, like below:

      SysRq : HELP : loglevel(0-9) reBoot Crash terminate-all-tasks(E)
      memory-full-oom-kill(F) kill-all-tasks(I) ...

this would confuse user trigger sysrq by upper-case character, which is
inconsistent with the real lower-case character registed key.

This inconsistent help message will also lead more confused when
26 upper-case letters put into use in future.

This patch fix spare sysrq key: "global-regs(y)"

Signed-off-by: zhangwei(Jovi) <jovi.zhangwei@huawei.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-04-30 17:04:10 -07:00
zhangwei(Jovi) 90a102e59a powerpc/xmon/sysrq: fix inconstistent help message of sysrq key
Currently help message of /proc/sysrq-trigger highlight its
upper-case characters, like below:

      SysRq : HELP : loglevel(0-9) reBoot Crash terminate-all-tasks(E)
      memory-full-oom-kill(F) kill-all-tasks(I) ...

this would confuse user trigger sysrq by upper-case character, which is
inconsistent with the real lower-case character registed key.

This inconsistent help message will also lead more confused when
26 upper-case letters put into use in future.

This patch fix powerpc xmon sysrq key: "xmon(x)"

Signed-off-by: zhangwei(Jovi) <jovi.zhangwei@huawei.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-04-30 17:04:10 -07:00
zhangwei(Jovi) 9387a393ef ARM/etm/sysrq: fix inconstistent help message of sysrq key
Currently help message of /proc/sysrq-trigger highlights its
upper-case characters, like below:

      SysRq : HELP : loglevel(0-9) reBoot Crash terminate-all-tasks(E)
      memory-full-oom-kill(F) kill-all-tasks(I) ...

this would confuse user trigger sysrq by upper-case character, which is
inconsistent with the real lower-case character registed key.

This inconsistent help message will also lead more confused when
26 upper-case letters put into use in future.

This patch fix arm etm sysrq key: "etm-buffer-dump(v)"
(This patch also add "-" to separate each sysrq key help word,
instead of spaces)

Signed-off-by: zhangwei(Jovi) <jovi.zhangwei@huawei.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-04-30 17:04:10 -07:00
zhangwei(Jovi) 28ad585e35 power/sysrq: fix inconstistent help message of sysrq key
Currently help message of /proc/sysrq-trigger highlight its
upper-case characters, like below:

      SysRq : HELP : loglevel(0-9) reBoot Crash terminate-all-tasks(E)
      memory-full-oom-kill(F) kill-all-tasks(I) ...

this would confuse user trigger sysrq by upper-case character, which is
inconsistent with the real lower-case character registed key.

This inconsistent help message will also lead more confused when
26 upper-case letters put into use in future.

This patch fix power off sysrq key: "poweroff(o)"

Signed-off-by: zhangwei(Jovi) <jovi.zhangwei@huawei.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-04-30 17:04:10 -07:00
zhangwei(Jovi) f345650964 kgdb/sysrq: fix inconstistent help message of sysrq key
Currently help message of /proc/sysrq-trigger highlight its upper-case
characters, like below:

      SysRq : HELP : loglevel(0-9) reBoot Crash terminate-all-tasks(E)
      memory-full-oom-kill(F) kill-all-tasks(I) ...

this would confuse user trigger sysrq by upper-case character, which is
inconsistent with the real lower-case character registed key.

This inconsistent help message will also lead more confused when
26 upper-case letters put into use in future.

This patch fix kgdb sysrq key: "debug(g)"

Signed-off-by: zhangwei(Jovi) <jovi.zhangwei@huawei.com>
Cc: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-04-30 17:04:10 -07:00
Andi Kleen 6f9982bdde lib/decompress.c: fix initconst
Signed-off-by: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-04-30 17:04:09 -07:00